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參數(shù)資料
| 型號： | LTC1759 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Octal D-Type Edge-Triggered Read-Back Latches 24-SOIC 0 to 70 |
| 中文描述： | 智能電池充電器 |
| 文件頁數(shù)： | 1/28頁 |
| 文件大小： | 362K |
| 代理商： | LTC1759 |
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1
LTC1759
Smart Battery Charger
The LTC
1759 Smart Battery Charger is a single chip
charging solution that dramatically simplifies construc-
tion of an SBS compliant system. The LTC1759 imple-
ments a Level 2 charger function whereby the charger can
be programmed by the battery or by the host. A thermistor
on the battery being charged is monitored for tempera-
ture, connectivity and battery type information. The SMBus
interface remains alive when the AC power adapter is
removed and responds to all SMBus activity directed to it,
including thermistor status (via the ChargerStatus com-
mand). The charger also provides an interrupt to the host
whenever a status change is detected (e.g., battery
removal,
AC adapter connection).
Charging current and voltage are restricted to chemistry
specific limits for improved system safety and reliability.
Limits are programmable by two external resistors. Addi-
tionally, the maximum average current from the AC adapter
is programmable to avoid overloading the adapter when
simultaneously supplying load current and charging cur-
rent. When supplying system load current, charging cur-
rent is automatically reduced to prevent adapter overload.
I
Single Chip Smart Battery Charger Controller
I
100% Compliant (Rev 1.0) SMBus Support
Allows for Operation with or without Host
I
SMBus Accelerator Improves SMBus Timing
I
Hardware Interrupt and SMBAlert Response
Eliminate Interrupt Polling
I
High Efficiency Synchronous Buck Charger
I
0.5V Dropout Voltage; Maximum Duty Cycle > 99.5%
I
AC Adapter Current Limit Maximizes Charge Rate*
I
1% Voltage Accuracy; 5% Current Accuracy
I
Up to 8A Charging Current Capability
I
Dual 10-Bit DACs for Charger Voltage and Current
Programming
I
User-Selectable Overvoltage and Overcurrent Limits
I
High Noise Immunity Thermistor Sensor
I
Small 36-Lead Narrow (0.209") SSOP Package
APPLICATIU
, LTC and LT are registered trademarks of Linear Technology Corporation.
Figure 1. 4A SMBus Smart Battery Charger
I
Portable Computers
I
Portable Instruments
I
Docking Stations
*US Patent Number 5,723,970
UV
V
DD
SYNC
SDB
CHGEN
V
LIMIT
I
LIMIT
DGND
I
SET
PROG
V
C
COMP1
AGND
RNR
THERM
SDA
SCL
INTB
22
21
8
32
9
10
2
33
34
1
3
35
30
29
31
23
26
36
3.83k
1.5k
LTC1759
1k
1k
499
475k
10k
0.1
μ
F
0.33
μ
F
V
DD
V
DD
1
μ
F
0.68
μ
F
33k
33k
0.033
200
68
200
15.8k
1k
0.47
μ
F
2.2
μ
F
0.68
μ
F
0.047
μ
F
0.1
μ
F
1
μ
F
15
μ
H
22
μ
F
SYSTEM
POWER
0.025
7
16
4
5
12
25
24
18
17
28
27
11
6
20
19
14
15
13
DCIN
DCDIV
INFET
V
CC
CLP
CLN
TGATE
BOOSTC
GBIAS
BOOST
SW
BGATE
SPIN
SENSE
BAT1
BAT2
V
SET
PGND
0.015
μ
F
22
μ
F
0.1
μ
F
μ
F
10
Al
AC
ADAPTER
INPUT
SMART
BATTERY
INTB
SMBus
TO
HOST
1759 F01
+
+
FEATURES
TYPICAL APPLICATIO
U
DESCRIPTIO
U
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1759CG | 功能描述:IC SMART BATTERY CHARGER 36SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學:堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-6 包裝:帶卷 (TR) |
| LTC1759CG#PBF | 功能描述:IC SMART BATTERY CHARGER 36SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 其它有關文件:STC3100 View All Specifications 特色產(chǎn)品:STC3100 - Battery Monitor IC 標準包裝:4,000 系列:- 功能:燃料，電量檢測計/監(jiān)控器 電池化學:鋰離子（Li-Ion） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-MiniSO 包裝:帶卷 (TR) 其它名稱:497-10526-2 |
| LTC1759CG#TR | 功能描述:IC CHARGER SMART BATTERY 36SSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學:堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-6 包裝:帶卷 (TR) |
| LTC1759CG#TRPBF | 功能描述:IC SMART BATTERY CHARGER 36SSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學:堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-6 包裝:帶卷 (TR) |
| LTC1760CFW | 功能描述:IC MANAGER BATTERY DUAL 48TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學:堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 供應商設備封裝:SOT-6 包裝:帶卷 (TR) |
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